/*=============== 谷歌字体 ===============*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");

/*=============== css变量 ===============*/
:root {
  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  /*
      Blue: hsl(207, 90%, 61%)
      Purple: hsl(250, 66%, 75%)
      Pink: hsl(356, 66%, 75%)
      Teal: hsl(174, 63%, 62%)
  */

  --hue: 207;
  --sat: 90%;
  --lig: 61%;
  --first-color: hsl(var(--hue), var(--sat), var(--lig));
  --first-color-alt: hsl(var(--hue), var(--sat), 57%);
  /* -4% */
  --title-color: hsl(var(--hue), 12%, 15%);
  --text-color: hsl(var(--hue), 12%, 45%);
  --text-color-light: hsl(var(--hue), 8%, 75%);
  --text-color-lighten: hsl(var(--hue), 8%, 92%);
  --body-color: hsl(var(--hue), 100%, 99%);
  --container-color: #fff;

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: 'Poppins', sans-serif;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;
}

@media screen and (min-width: 968px) {
  :root {
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
  }
}

/*=============== 基础css ===============*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
  transition: .3s;
  /* For animation dark mode */
}

h1,
h2,
h3 {
  color: var(--title-color);
  font-weight: 600;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/*=============== THEME ===============*/
.change-theme {
  position: absolute;
  top: 1.5rem;
  right: 0;
  font-size: 1.25rem;
  color: var(--title-color);
  cursor: pointer;
  transition: .3s;
}

.change-theme:hover {
  color: var(--first-color);
}

/*========== 黑夜主题色 ==========*/
body.dark-theme {
  --title-color: hsl(var(--hue), 12%, 95%);
  --text-color: hsl(var(--hue), 12%, 75%);
  --body-color: hsl(var(--hue), 40%, 8%);
  --container-color: hsl(var(--hue), 24%, 12%);
}

/*========== 
    黑夜主题部分样式改变
==========*/
.dark-theme .button-gray {
  background-color: var(--container-color);
}

.dark-theme .button-gray:hover {
  background-color: hsl(var(--hue), 24%, 16%);
}

.dark-theme .filters-content {
  background-color: var(--container-color);
}

.dark-theme::-webkit-scrollbar {
  background-color: hsl(var(--hue), 8%, 16%);
}

.dark-theme::-webkit-scrollbar-thumb {
  background-color: hsl(var(--hue), 8%, 24%);
}

.dark-theme::-webkit-scrollbar-thumb:hover {
  background-color: hsl(var(--hue), 8%, 32%);
}

/*=============== 可复用css ===============*/
.container {
  max-width: 968px;
  margin-left: 1.5rem;
  margin-right: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

/*=============== PROFILE ===============*/
.profile {
  position: relative;
  padding-top: 3.5rem;
}

.profile-container {
  row-gap: 2rem;
}

.profile-data {
  display: grid;
  text-align: center;
}

.profile-perfil {
  width: 100px;
  height: 100px;
  background: linear-gradient(180deg,
      hsla(var(--hue), var(--sat), var(--lig), 1) 0%,
      hsla(var(--hue), var(--sat), var(--lig), .2) 100%);
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.profile-perfil img {
  width: 75px;
}

.profile-border {
  border: 3.5px solid var(--first-color);
  justify-self: center;
  width: 115px;
  height: 115px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: .75rem;
}

.profile-name {
  font-size: var(--h2-font-size);
}

.profile-profession {
  font-size: var(--smaller-font-size);
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.profile-social {
  display: flex;
  justify-content: center;
  column-gap: .75rem;
}

.profile-social-link {
  font-size: 1.25rem;
  color: var(--title-color);
  transition: .3s;
}

.profile-social-link:hover {
  color: var(--first-color);
}

.profile-info {
  grid-template-columns: repeat(3, max-content);
  justify-content: center;
  column-gap: 2.5rem;
}

.profile-info-group {
  text-align: center;
}

.profile-info-number {
  font-size: var(--normal-font-size);
  margin-bottom: .25rem;
}

.profile-info-description {
  font-size: var(--smaller-font-size);
  font-weight: 500;
}

.profile-buttons,
.profile-buttons-small {
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-buttons {
  column-gap: 1rem;
}

.profile-buttons-small {
  column-gap: .25rem;
}

/*=============== BUTTONS ===============*/
.button {
  display: inline-flex;
  align-items: center;
  column-gap: .5rem;
  background-color: var(--first-color);
  color: #fff;
  padding: 1.15rem 1.5rem;
  border-radius: .5rem;
  transition: .3s;
  box-shadow: 0 8px 24px hsla(var(--hue), var(--sat), var(--lig), .25);
}

.button i {
  font-size: 1.25rem;
}

.button:hover {
  background-color: var(--first-color-alt);
}

.button-small {
  padding: .75rem;
  box-shadow: none;
}

.button-gray {
  background-color: var(--text-color-lighten);
  color: var(--title-color);
}

.button-gray:hover {
  background-color: var(--text-color-light);
}

/*=============== FILTERS TABS===============*/
.filters-content {
  margin: 2rem 0 2.5rem;
  background-color: var(--text-color-lighten);
  padding: .375rem;
  border-radius: .75rem;
  display: flex;
  justify-content: space-between;
  column-gap: .5rem;
}

.filters-button {
  width: 100%;
  border: none;
  outline: none;
  padding: 1rem;
  color: var(--title-color);
  font-size: var(--small-font-size);
  font-family: var(--body-font);
  font-weight: 500;
  border-radius: .75rem;
  cursor: pointer;
  background-color: transparent;
  transition: .3s;
}

.filters-button:hover {
  background-color: var(--body-color);
}

/*=============== PROJECTS ===============*/
.projects-card {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
}

.projects-card img {
  width: 100%;
  height: 100%;
}

.projects-modal {
  position: absolute;
  width: 100%;
  height: 100%;
  bottom: -100%;
  left: 0;
  background: linear-gradient(180deg,
      hsla(var(--hue), 24%, 40%, .3) 0%,
      hsla(var(--hue), 24%, 4%, 1) 95%);
  display: grid;
  align-items: flex-end;
  padding: 1.5rem 1.25rem;
  transition: .3s;
}

.projects-subtitle,
.projects-title {
  color: #fff;
}

.projects-subtitle {
  font-size: var(--smaller-font-size);
}

.projects-title {
  font-size: var(--h3-font-size);
  margin-bottom: .75rem;
}

.projects-button {
  padding: .5rem;
}

.projects-card:hover .projects-modal {
  bottom: 0;
}

/*=============== SKILLS ===============*/
.skills-content {
  row-gap: 3.5rem;
}

.skills-title {
  font-size: var(--h3-font-size);
  text-align: center;
  margin-bottom: 1.5rem;
}

.skills-box {
  display: flex;
  justify-content: center;
  column-gap: 3rem;
}

.skills-group {
  display: grid;
  align-content: flex-start;
  row-gap: 1rem;
}

.skills-data {
  display: flex;
  column-gap: .5rem;
}

.skills-data i {
  font-size: 1rem;
  color: var(--first-color);
}

.skills-name {
  font-size: var(--normal-font-size);
  font-weight: 500;
  line-height: 18px;
}

.skills-level {
  font-size: var(--smaller-font-size);
}

/* Hide and show projects & skills */
.filters [data-content] {
  display: none;
}

.filters-active[data-content] {
  display: grid;
}

/* Activate button filter */
.filter-tab-active {
  background-color: var(--body-color);
}

/*=============== FOOTER ===============*/
.footer-copy {
  display: block;
  margin: 2.5rem 0 2rem;
  text-align: center;
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
}

/*=============== SCROLL BAR ===============*/
::-webkit-scrollbar {
  width: .6rem;
  border-radius: .5rem;
  background-color: hsl(var(--hue), 8%, 66%);
}

::-webkit-scrollbar-thumb {
  background-color: hsl(var(--hue), 8%, 54%);
  border-radius: .5rem;
}

::-webkit-scrollbar-thumb:hover {
  background-color: hsl(var(--hue), 8%, 44%);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 320px) {
  .container {
    margin-left: 1rem;
    margin-right: 1rem;
  }

  .profile-info {
    column-gap: 1.5rem;
  }

  .profile-buttons {
    flex-direction: column;
    row-gap: 1rem;
  }

  .skills-box {
    column-gap: 1rem;
  }
}

/* For medium devices */
@media screen and (min-width: 576px) {
  .projects-content {
    grid-template-columns: 332px;
    justify-content: center;
  }

  .filters-content {
    width: 332px;
    margin: 3rem auto;
  }
}

@media screen and (min-width: 776px) {

  .projects-content,
  .skills-content {
    grid-template-columns: repeat(2, 332px);
  }

  .skills-content {
    justify-content: center;
    column-gap: 3rem;
  }
}

/* For large devices */
@media screen and (min-width: 992px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }

  .change-theme {
    top: 2.5rem;
    right: 2.5rem;
  }

  .profile {
    padding-top: 4rem;
  }

  .profile-border {
    width: 135px;
    height: 135px;
    margin-bottom: 1rem;
  }

  .profile-perfil {
    width: 120px;
    height: 120px;
  }

  .profile-perfil img {
    width: 90px;
  }

  .profile-profession {
    margin-bottom: 1.5rem;
  }

  .profile-info {
    column-gap: 3rem;
  }

  .profile-info-description {
    font-size: var(--small-font-size);
  }

  .profile-buttons {
    column-gap: 2rem;
  }

  .projects-content {
    gap: 2rem 3rem;
  }

  .projects-modal {
    padding: 1.5rem;
  }

  .skills-title {
    font-size: var(--normal-font-size);
    margin-bottom: 2.5rem;
  }

  .footer-copy {
    margin: 4.5rem 0 2.5rem;
  }
}